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// Flags: --experimental-wasi-unstable-preview0
'use strict';
const common = require('../common');
const assert = require('assert');
const { WASI } = require('wasi');
const fixtures = require('../common/fixtures');
{
const wasi = new WASI();
assert.throws(
() => {
wasi.start();
},
{ code: 'ERR_INVALID_ARG_TYPE', message: /\bWebAssembly\.Instance\b/ }
);
}
{
const wasi = new WASI({});
(async () => {
const bufferSource = fixtures.readSync('simple.wasm');
const wasm = await WebAssembly.compile(bufferSource);
const instance = await WebAssembly.instantiate(wasm);
assert.throws(
() => { wasi.start(instance); },
{ code: 'ERR_INVALID_ARG_TYPE', message: /\bWebAssembly\.Memory\b/ }
);
})();
}
(async () => {
const wasi = new WASI();
const bufferSource = fixtures.readSync('simple.wasm');
const wasm = await WebAssembly.compile(bufferSource);
const instance = await WebAssembly.instantiate(wasm);
const values = [undefined, null, 'foo', 42, true, false, () => {}];
let cnt = 0;
// Mock instance.exports to trigger start() validation.
Object.defineProperty(instance, 'exports', {
get() { return values[cnt++]; }
});
values.forEach((val) => {
assert.throws(
() => { wasi.start(instance); },
{ code: 'ERR_INVALID_ARG_TYPE', message: /\binstance\.exports\b/ }
);
});
})();
(async () => {
const wasi = new WASI();
const bufferSource = fixtures.readSync('simple.wasm');
const wasm = await WebAssembly.compile(bufferSource);
const instance = await WebAssembly.instantiate(wasm);
// Mock instance.exports.memory to bypass start() validation.
Object.defineProperty(instance, 'exports', {
get() {
return {
memory: new WebAssembly.Memory({ initial: 1 })
};
}
});
wasi.start(instance);
assert.throws(
() => { wasi.start(instance); },
{
code: 'ERR_WASI_ALREADY_STARTED',
message: /^WASI instance has already started$/
}
);
})();
(async () => {
const wasi = new WASI();
const bufferSource = fixtures.readSync('simple.wasm');
const wasm = await WebAssembly.compile(bufferSource);
const instance = await WebAssembly.instantiate(wasm);
// Mock instance.exports to bypass start() validation.
Object.defineProperty(instance, 'exports', {
get() {
return {
memory: new WebAssembly.Memory({ initial: 1 }),
__wasi_unstable_reactor_start: common.mustCall()
};
}
});
wasi.start(instance);
})();
|
